2021122210101 has 32 divisors (see below), whose sum is σ = 2767555031808. Its totient is φ = 1311220776960.

The previous prime is 2021122210099. The next prime is 2021122210103. The reversal of 2021122210101 is 1010122211202.

It is an interprime number because it is at equal distance from previous prime (2021122210099) and next prime (2021122210103).

It is not a de Polignac number, because 2021122210101 - 2¹ = 2021122210099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021122210103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 256711701 + ... + 256719573.

It is an arithmetic number, because the mean of its divisors is an integer number (86486094744).

Almost surely, 2^{2021122210101} is an apocalyptic number.

It is an amenable number.

2021122210101 is a deficient number, since it is larger than the sum of its proper divisors (746432821707).

2021122210101 is a wasteful number, since it uses less digits than its factorization.

2021122210101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12941.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2021122210101 its reverse (1010122211202), we get a palindrome (3031244421303).

The spelling of 2021122210101 in words is "two trillion, twenty-one billion, one hundred twenty-two million, two hundred ten thousand, one hundred one".